# encoding:UTF-8

import random

agent = [
    'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50'
    , 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50'
    , 'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0;)'
    , 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0)'
    , 'Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1'
    , 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1'
    , 'Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; en) Presto/2.8.131 Version/11.11'
    , 'Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11'
    , 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Maxthon 2.0)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; TencentTraveler 4.0)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; The World)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; SE 2.X MetaSr 1.0; SE 2.X MetaSr 1.0; .NET CLR 2.0.50727; SE 2.X MetaSr 1.0)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; 360SE)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Avant Browser)'
    , 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)']

def getUserAgent() :
    userAgent = agent[random.randint(0, len(agent))]
    return userAgent